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  1. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Edited wording to clarify question.
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  3. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Is it a possibility that the quartermile disturbance can be from the automatic quartermile mechanism(however that works) dragging paper and drum?...
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  4. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    A real ugly explanation could be that the one and quarter mile marking mechanism is dragging the drum drive?
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  5. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Understandable but can `t You just ignore? I have appreciated Your inputs and we are maybe very close to an explanation. [IMG] The red end plug...
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  6. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Some of it can be seen here https://www.lner.info/forums/download/file.php?id=16468&mode=view The vertical worm most likely come from a gear...
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  7. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Was it also UK made 1904?
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  8. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    The polished roll command the paper movement under pens and is synchronized by gears to fifth wheel.Be they eccentric or not. The take up roll is...
    المشاركة بواسطة: Hermod, ‏17 ديسمبر 2023 في منتدى: Steam Traction
  9. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Thank You and very interesting. The paper is advanced and speed-controlled by a polished thinwalled cylinder of ca 200mm diameter that is 24 inch...
    المشاركة بواسطة: Hermod, ‏16 ديسمبر 2023 في منتدى: Steam Traction
  10. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    IMG IMG does not show and link does not go nowhere Please try again. Sounds maddingly interesting. My idea was something with uneven spacing of...
    المشاركة بواسطة: Hermod, ‏16 ديسمبر 2023 في منتدى: Steam Traction
  11. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    I transported family in five Allegroes,three Maxis and a Princess between 1982 and 1991. They were so ill reputed that I just bougth another cheap...
    المشاركة بواسطة: Hermod, ‏15 ديسمبر 2023 في منتدى: Steam Traction
  12. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    As I see the Andrews curves there are two sine distortions at work;once per mile and four times per mile and phaselocked but not quite symmetric....
    المشاركة بواسطة: Hermod, ‏15 ديسمبر 2023 في منتدى: Steam Traction
  13. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Cutting threads on lathes from inferior civilisations? Shooting 12.7 ? More suggestions please
    المشاركة بواسطة: Hermod, ‏14 ديسمبر 2023 في منتدى: Steam Traction
  14. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    It is a shame that the supposed gearwheel eccentricity was not a tad bigger. 127 is a much more significant number.And easy to remember
    المشاركة بواسطة: Hermod, ‏14 ديسمبر 2023 في منتدى: Steam Traction
  15. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Thank You for a very clear letter that send me thinking. Most of the 126 believers are dead in a few years and few young ones left will be quite...
    المشاركة بواسطة: Hermod, ‏13 ديسمبر 2023 في منتدى: Steam Traction
  16. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    I will try to estimate nessecary power from Mallards during the 3.5 last miles using numbers from the often shown picture. I still do not know...
    المشاركة بواسطة: Hermod, ‏13 ديسمبر 2023 في منتدى: Steam Traction
  17. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Thank You and very interesting Pacific behaviour. I personally cant stand mr Powell. From the 2511 dbhp someone LMS estimated 3200 ihp (from my...
    المشاركة بواسطة: Hermod, ‏13 ديسمبر 2023 في منتدى: Steam Traction
  18. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    The following numbers are from Cox books bar two Loco _____mass___ Max IHP _Lbs steam __________ Min steam at Ihp King...
    المشاركة بواسطة: Hermod, ‏13 ديسمبر 2023 في منتدى: Steam Traction
  19. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Havig trouble making table
    المشاركة بواسطة: Hermod, ‏12 ديسمبر 2023 في منتدى: Steam Traction
  20. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    Thank You. Look forward to start my slide rule
    المشاركة بواسطة: Hermod, ‏12 ديسمبر 2023 في منتدى: Steam Traction
  21. Hermod
    مشاركة

    Steam speed records including City of Truro and Mallard

    And Manors after 14 years went from 10,000 to 19,600. It will be possible to better Chapelon after plus 90 years by putting a big low pressure...
    المشاركة بواسطة: Hermod, ‏12 ديسمبر 2023 في منتدى: Steam Traction
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